CANTON, Mass., Oct. 15, 2012 /PRNewswire/ -- For anyone whose homemade lunchtime sandwich just isn't cutting it, Dunkin' Donuts, America's all-day, everyday stop for coffee and baked goods, is offering its fans the chance to trade up their sandwiches with the "UpgraDDe Your Sandwich" Twitter Sweepstakes. Today through Friday, October 19, followers of Dunkin' Donuts (@DunkinDonuts) on Twitter can tweet a photo of their lonely lunchmeat, weary wraps and soggy sandwiches with the hashtag #UpgraDDe. Eligible fans who submit a photo of their homemade sandwich will have the chance to win a $50 Dunkin' Donuts Card.

On Friday, five winners will be selected at random from the pool of entrants to each win a $50 Dunkin' Donuts Card to enjoy the brand's Bakery Sandwiches, which pair perfectly with a freshly brewed Iced Tea and Hash Browns. This sweeps is open to legal residents of the fifty (50) United States (including the District of Columbia), who are eighteen years of age or older. For official rules and additional information related to the "Dunkin' Donuts UpgraDDe Your Sandwich Sweepstakes," visit: http://www.dunkindonuts.com/content/dunkindonuts/en/promotions/upgradde_your_sandwich_twitter_sweepstakes.html.

Dunkin' Donuts offers a full lineup of delicious Bakery Sandwiches to keep people running any time of day. Available in varieties including Ham & Cheese; Turkey, Cheddar & Bacon; Chicken Salad and Tuna Salad, and Texas Toast Grilled Cheese, Dunkin' Donuts' Bakery Sandwiches are served oven-toasted and made-to-order on a French roll, bagel, croissant, or multigrain flatbread, and are part of Dunkin' Donuts' lineup of delicious sandwiches available all day at participating Dunkin' Donuts restaurants nationwide.

About Dunkin' DonutsFounded in 1950, Dunkin' Donuts is America's favorite all-day, everyday stop for coffee and baked goods. Dunkin' Donuts is a market leader in the regular/decaf coffee, iced coffee, hot flavored coffee, donut, bagel and muffin categories. Dunkin' Donuts has earned the No. 1 ranking for customer loyalty in the coffee category by Brand Keys for six years running. The company has more than 10,000 restaurants in 32 countries worldwide. For the full-year 2011, Dunkin' Donuts' restaurants had global franchisee-reported sales of approximately $6.4 billion. Based in Canton, Mass., Dunkin' Donuts is part of the Dunkin' Brands Group, Inc. (Nasdaq: DNKN) family of companies. For more information, visit www.DunkinDonuts.com.